Finding the Fourth Proportional to 4,572,671.76, 6,310,806.66 and 2,639,451.24
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Solution
The fourth proportional to 4,572,671.76, 6,310,806.66 and 2,639,451.24 is: 3,642,742.65
Step by Step Solution
- Step 1: Write the proportion equation
4,572,671.76 : 6,310,806.66 = 2,639,451.24 : x - Step 2: Convert to fraction form
4,572,671.76/6,310,806.66 = 2,639,451.24/x - Step 3: Cross multiply
4,572,671.76x = 6,310,806.66 × 2,639,451.24 - Step 4: Simplify right side
4,572,671.76x = 16,657,066,464,137.26 - Step 5: Solve for x
x = 16,657,066,464,137.26/4,572,671.76 - Step 6: Final answer
x = 3,642,742.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.